Gaia DR2 293467178236290432

All names: SDSS J012737.37+242739.7, WDJ012737.40+242739.78, Gaia EDR3 293467178236290432, SDSS J012737.37+242739.8, WDJ012737.4+242739.77, Gaia DR3 293467178236290432, Gaia DR2 293467178236290432

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Simbad Gentile Fusillo et al. 2018
Right ascension 01 27 37.35 (0.3) 01 27 37.35 01 27 37.40 (0.3) 01 27 37.35
Declination 24 27 39.73 (0.2) 24 27 39.73 24 27 39.80 (0.2) 24 27 39.73
Spectral type DC
Effective temperature [K] 5283.0 (34) 5812.0 5549.0
log(g) [cgs] 7.82 (0.05) 8.19 8.03
Mass [M] 0.466 (0.04) 0.706 0.589
log(Luminosity) [L]
Cooling age [Gyr] 3.9760 4.0640
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 11.09 (0.4) 11.61 (0.5) 11.09 (0.4) 11.61 (0.5)
Distance [pc] 90.14 (3) 86.14 (4) 90.14 (3) 86.14 (4)
Composition He
Proper motion (right ascension) [mas/yr] -48.73326379 (0.3) -48.90533288 (0.7) -48.733 (0.3) -48.90533288
Proper motion (declination) [mas/yr] -3.998872779 (0.2) -2.771845051 (0.5) -3.999 (0.2) -2.771845051
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.81 (0.07) 20.81 (0.07)
g magnitude 19.50 (0.01) 19.50 (0.01)
r magnitude 19.12 (0.01) 19.12 (0.01)
i magnitude 18.91 (0.01) 18.91 (0.01)
z magnitude 18.86 (0.04) 18.86 (0.04)
G magnitude 19.10 (0.04) 19.12 19.10 (0.004) 19.12
BP magnitude 19.55 (0.04) 19.49 19.49
RP magnitude 18.85 (0.07) 18.60 18.60
Pan g magnitude 19.47 (0.006)
Pan r magnitude 19.07 (0.008)
Pan i magnitude 18.96 (0.01)
Pan z magnitude 18.93 (0.01)
Pan y magnitude 18.91 (0.02)
E(B-V) 0.008

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.